Maybe it’s the fan theories about Bradley Cooper and Lady Gaga’s chemistry, maybe it’s the chart-topping soundtrack, or maybe it’s just that it’s a very good movie, but somehow, A Star Is Born made more than $100 million at the box office in just twelve days.

That means it’s not too far behind the goofy, gooey Marvel blockbuster Venom, which has also been a commercial success, bringing in $150 million so far domestically. But while A Star Is Born hasn’t earned as much in the...